Drop URL encoding workaround from :GBrowse API

No longer necessary as all known providers handle URL encoding
correctly.

References: https://github.com/cedarbaum/fugitive-azure-devops.vim/issues/3

autoload/fugitive.vim

@@ -7503,13 +7503,11 @@ function! fugitive#BrowseCommand(line1, count, range, bang, mods, arg, ...) abor
     elseif type ==# 'tree' && !empty(path)
       let opts.path = s:sub(opts.path, '/\=$', '/')
     endif
-    let opts.path = tr(opts.path, '%', "\032")
-    let opts.commit = tr(opts.commit, '%', "\032")
 
     for l:.Handler in get(g:, 'fugitive_browse_handlers', [])
       let l:.url = call(Handler, [copy(opts)])
       if type(url) == type('') && url =~# '://'
-        return s:BrowserOpen(tr(url, "\032", '%'), a:mods, a:bang)
+        return s:BrowserOpen(url, a:mods, a:bang)
       endif
     endfor